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Finding the Fourth Proportional to 64,907.19, 89,571.96 and 35,835.57

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Solution

The fourth proportional to 64,907.19, 89,571.96 and 35,835.57 is: 49,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,907.19 : 89,571.96 = 35,835.57 : x
  2. Step 2: Convert to fraction form
    64,907.19/89,571.96 = 35,835.57/x
  3. Step 3: Cross multiply
    64,907.19x = 89,571.96 × 35,835.57
  4. Step 4: Simplify right side
    64,907.19x = 3,209,862,242.62
  5. Step 5: Solve for x
    x = 3,209,862,242.62/64,907.19
  6. Step 6: Final answer
    x = 49,453.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.